Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
FISH HOLT CH. 30 PG. 726-738 CHARACTERISTICS OF FISH ENDOSKELETON CHARACTERISTICS OF FISH ENDOSKELETON GILLS CHARACTERISTICS OF FISH ENDOSKELETON GILLS CLOSED-LOOP CIRCULATORY SYSTEM CHARACTERISTICS OF FISH ENDOSKELETON GILLS CLOSED-LOOP CIRCULATORY SYSTEM KIDNEYS MOVEMENT/RESPONSE ENDOSKELETON-internal skeletonmuscles attach MOVEMENT/RESPONSE ENDOSKELETON-internal skeletonmuscles attach FINS AND SWIM BLADDER MOVEMENT/RESPONSE ENDOSKELETON-internal skeletonmuscles attach FINS AND SWIM BLADDER Fins increase stability (turn, dive, climb rapidly) MOVEMENT/RESPONSE ENDOSKELETON-internal skeletonmuscles attach FINS AND SWIM BLADDER Fins increase stability (turn, dive, climb rapidly) Swim bladder-regulate vertical position in water-gas sac MOVEMENT/RESPONSE ENDOSKELETON-internal skeletonmuscles attach FINS AND SWIM BLADDER Fins increase stability (turn, dive, climb rapidly) Swim bladder-regulate vertical position in water-gas sac SENSORY ORGANS NOSTRILS-lead to OLFACTORY lobe MOVEMENT/RESPONSE ENDOSKELETON-internal skeleton-muscles attach FINS AND SWIM BLADDER Fins increase stability (turn, dive, climb rapidly) Swim bladder-regulate vertical position in water-gas sac SENSORY ORGANS NOSTRILS-lead to OLFACTORY lobe EYES-lead to OPTIC lobe MOVEMENT/RESPONSE ENDOSKELETON-internal skeleton-muscles attach FINS AND SWIM BLADDER Fins increase stability (turn, dive, climb rapidly) Swim bladder-regulate vertical position in water-gas sac SENSORY ORGANS NOSTRILS-lead to OLFACTORY lobe EYES-lead to OPTIC lobe TASTE-tongue, skin MOVEMENT/RESPONSE ENDOSKELETON-internal skeleton-muscles attach FINS AND SWIM BLADDER Fins increase stability (turn, dive, climb rapidly) Swim bladder-regulate vertical position in water-gas sac SENSORY ORGANS NOSTRILS-lead to OLFACTORY lobe EYES-lead to OPTIC lobe TASTE-tongue, skin EARS-AUDITORY nerve MOVEMENT/RESPONSE ENDOSKELETON-internal skeleton-muscles attach FINS AND SWIM BLADDER Fins increase stability (turn, dive, climb rapidly) Swim bladder-regulate vertical position in water-gas sac SENSORY ORGANS NOSTRILS-lead to OLFACTORY lobe EYES-lead to OPTIC lobe TASTE-tongue, skin EARS-AUDITORY nerve LATERAL LINE-senses vibrations in water RESPIRATION/CIRCULATION Get oxygen from water (GILLS) RESPIRATION/CIRCULATION Get oxygen from water (GILLS) OPERCULUM-gill cover RESPIRATION/CIRCULATION Get oxygen from water (GILLS) OPERCULUM-gill cover COUNTERCURRENT FLOW- RESPIRATION/CIRCULATION Get oxygen from water (GILLS) OPERCULUM-gill cover COUNTERCURRENT FLOW Water passes over gills in one direction, blood flows opposite direction (85% of dissolved O2 passes over gills) RESPIRATION/CIRCULATION Get oxygen from water (GILLS) COUNTERCURRENT FLOW OPERCULUM-gill cover Water passes over gills in one direction, blood flows opposite direction (85% of dissolved O2 passes over gills) SINGLE LOOP BLOOD CIRCULATION RESPIRATION/CIRCULATION Get oxygen from water (GILLS) COUNTERCURRENT FLOW OPERCULUM-gill cover Water passes over gills in one direction, blood flows opposite direction (85% of dissolved O2 passes over gills) SINGLE LOOP BLOOD CIRCULATION Blood->gills->heart (atrium then ventricle)>pumped body->gills EXCRETION Most vertebrates conserve water (2/3 of body is water) EXCRETION Most vertebrates conserve water (2/3 of body is water) SALT/WATER BALANCE EXCRETION Most vertebrates conserve water (2/3 of body is water) SALT/WATER BALANCE Sea water 3X salt of fish tissue EXCRETION Most vertebrates conserve water (2/3 of body is water) SALT/WATER BALANCE Sea water 3X salt of fish tissue Excess salt pumped out through gills EXCRETION Most vertebrates conserve water (2/3 of body is water) SALT/WATER BALANCE Sea water 3X salt of fish tissue Excess salt pumped out through gills FRESH water fish have more salt in TISSUES than water-take in salt from environment EXCRETION Most vertebrates conserve water (2/3 of body is water) SALT/WATER BALANCE Sea water 3X salt of fish tissue Excess salt pumped out through gills FRESH water fish have more salt in TISSUES than water-take in salt from environment Few fish can live in fresh AND salt water EXCRETION Most vertebrates conserve water (2/3 of body is water) SALT/WATER BALANCE Sea water 3X salt of fish tissue Excess salt pumped out through gills FRESH water fish have more salt in TISSUES than water-take in salt from environment Few fish can live in fresh AND salt water KIDNEYS- EXCRETION Most vertebrates conserve water (2/3 of body is water) SALT/WATER BALANCE Sea water 3X salt of fish tissue Excess salt pumped out through gills FRESH water fish have more salt in TISSUES than water-take in salt from environment Few fish can live in fresh AND salt water KIDNEYS Maintain salt and water balance EXCRETION Most vertebrates conserve water (2/3 of body is water) SALT/WATER BALANCE Sea water 3X salt of fish tissue Excess salt pumped out through gills FRESH water fish have more salt in TISSUES than water-take in salt from environment Few fish can live in fresh AND salt water KIDNEYS Maintain salt and water balance Removes wastes from blood Excess water leave in form of urine REPRODUCTION Most reproduce sexually and externally *SPAWNING* REPRODUCTION Most reproduce sexually and externally *SPAWNING* Usually spawn in large groups (schools) REPRODUCTION Most reproduce sexually and externally *SPAWNING* Usually spawn in large groups (schools) INTERNAL fertilization in skates, sharks, and rays. REPRODUCTION Most reproduce sexually and externally *SPAWNING* Usually spawn in large groups (schools) INTERNAL fertilization in skates, sharks, and rays. CLASPERS-male organ used to grasp female REPRODUCTION Most reproduce sexually and externally *SPAWNING* Usually spawn in large groups (schools) INTERNAL fertilization in skates, sharks, and rays. CLASPERS-male organ used to grasp female Eggs develop inside, born live GROUPS OF FISH 3 main groups GROUPS OF FISH 3 main groups Jawless fish GROUPS OF FISH 3 main groups Jawless fish Cartilagenous fish GROUPS OF FISH 3 main groups Jawless fish Cartilagenous fish Bony fish GROUPS OF FISH 3 main groups Jawless fish Cartilagenous fish Bony fish JAWLESS (AGNATHA) Skeletons of CARTILAGE GROUPS OF FISH 3 main groups Jawless fish Cartilagenous fish Bony fish JAWLESS (AGNATHA) Skeletons of CARTILAGE Keep NOTOCHORD into adulthood (no spinal cord/spine) GROUPS OF FISH 3 main groups Jawless fish Cartilagenous fish Bony fish JAWLESS (AGNATHA) Skeletons of CARTILAGE Keep NOTOCHORD into adulthood (no spinal cord/spine) HAGFISH-scavengers/predators- deep in ocean, create slime/tie into knots GROUPS OF FISH 3 main groups Jawless fish Cartilagenous fish Bony fish JAWLESS (AGNATHA) Skeletons of CARTILAGE Keep NOTOCHORD into adulthood (no spinal cord/spine) HAGFISH-scavengers/predators- deep in ocean, create slime/tie into knots LAMPREY-parasites, suction mouth GROUPS OF FISH CARTILAGINOUS FISH NURSE SHARK (notice gill slits) GROUPS OF FISH CARTILAGINOUS FISH paired fins and jaws GROUPS OF FISH CARTILAGINOUS FISH paired fins and jaws Skeletons of CARTILAGE GROUPS OF FISH CARTILAGINOUS FISH paired fins and jaws Skeletons of CARTILAGE Cartilage strengthened by calcium carbonate GROUPS OF FISH CARTILAGINOUS FISH paired fins and jaws Skeletons of CARTILAGE Cartilage strengthened by calcium carbonate SHARKS STREAMLINED-move through water fast GROUPS OF FISH CARTILAGINOUS FISH paired fins and jaws Skeletons of CARTILAGE Cartilage strengthened by calcium carbonate SHARKS STREAMLINED-move through water fast TRIANGLE shaped scales (PLACOID SCALES) GROUPS OF FISH CARTILAGINOUS FISH paired fins and jaws Skeletons of CARTILAGE Cartilage strengthened by calcium carbonate SHARKS STREAMLINED-move through water fast TRIANGLE shaped scales (PLACOID SCALES) TEETH are modified scales (6-10 ROWS, 20,000 in life time) GROUPS OF FISH CARTILAGINOUS FISH paired fins and jaws Skeletons of CARTILAGE Cartilage strengthened by calcium carbonate SHARKS STREAMLINED-move through water fast TRIANGLE shaped scales (PLACOID SCALES) TEETH are modified scales (6-10 ROWS, 20,000 in life time) Largest sharks (whale shark) eat PLANKTON, most others are predators GROUPS OF FISH CARTILAGENOUS CONTINUED: GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies DIAMOND STINGRAY BIG SKATE MANTA RAY GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies Life on sea floor GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates Bone endoskeleton GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates Bone endoskeleton RAY-FINNED FISH GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates Bone endoskeleton RAY-FINNED FISH Fins supported by ‘rays’ (TELEOSTS GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates Bone endoskeleton RAY-FINNED FISH Fins supported by ‘rays’ (TELEOSTS 96% of fish GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates Bone endoskeleton RAY-FINNED FISH Fins supported by ‘rays’ (TELEOSTS 96% of fish LOBE-FINNED FISH COELOCANTH (PG. 738) COELACANTH GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates Bone endoskeleton RAY-FINNED FISH Fins supported by ‘rays’ (TELEOSTS 96% of fish LOBE-FINNED FISH COELOCANTH (PG. 738) Fleshy fins GROUPS OF FISH CARTILAGENOUS CONTINUED: SKATES/RAYS Flat bodies Life on sea floor Giant manta ray=7m wide (most others smaller) Some discharge electrical charge BONY FISH 24,000 species of bony fish ( 1,000 if cartilage and jawless COMBINED) One of most successful vertebrates Bone endoskeleton RAY-FINNED FISH LOBE-FINNED FISH Fins supported by ‘rays’ (TELEOSTS 96% of fish COELOCANTH (PG. 738) Fleshy fins Direct ancestors of amphibians and land vertebrates LUNG FISH LUNGFISH LUNGFISH